Home / 20,972,106,844.04-28,948,404,509.70-16,693,169,085.56

Finding the Fourth Proportional to 20,972,106,844.04, 28,948,404,509.70 and 16,693,169,085.56

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Solution

The fourth proportional to 20,972,106,844.04, 28,948,404,509.70 and 16,693,169,085.56 is: 23,042,063,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,972,106,844.04 : 28,948,404,509.70 = 16,693,169,085.56 : x
  2. Step 2: Convert to fraction form
    20,972,106,844.04/28,948,404,509.70 = 16,693,169,085.56/x
  3. Step 3: Cross multiply
    20,972,106,844.04x = 28,948,404,509.70 × 16,693,169,085.56
  4. Step 4: Simplify right side
    20,972,106,844.04x = 483,240,611,237,617,532,928
  5. Step 5: Solve for x
    x = 483,240,611,237,617,532,928/20,972,106,844.04
  6. Step 6: Final answer
    x = 23,042,063,195.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.